XenForo before 2.3.9 and before 2.2.18 is vulnerable to cross-site scripting (XSS) related to lightbox usage in posts. An attacker can inject malicious scripts that execute when users interact with post content displayed in the lightbox.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Active
User action required
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 2
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Xenforo Xenforo
cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*
|
— |
2.2.18
|
|
Xenforo Xenforo
cpe:2.3:a:xenforo:xenforo:*:*:*:*:*:*:*:*
|
2.3.0
|
2.3.9
|